x52 421014] Index ZU 
INDEX TO VOLUME 16. 
New scientific names are printed in full face type. 
Acer saccharinum, 13, 16; saccha- 130; eucosma, 129, 133, 196; 
rum, 15. 
Achillea lanulosa, 192. 
Acorns, Plural Seeds in, 141. 
Acorus Calamus, 89. 
Agropyron caninum, 17; repens, var. 
pilosum, 190. 
Agrostis alba, 189; 
mexicana, 89. 
Aira, 81; caryophyllea, 78. 
Aitonia erythrosperma, 62. 
Alaria, 4. 
Alburg, Vermont, Spiraea salicifolia 
var. aristata, 
in, 96. 
Alder, 56; A cut-leaved, 56. 
Algae, 1, 3; Drifting, 1. 
Allies of Solidago odora, 52. 
Alnus, 110; incana, 13, 56, 88, 110, 
var. glauca, 56, var. glauca, forma 
tomophylla, 56, var. pinnatifida, 
56; rugosa, 110; vulgaris, 111. 
Alopecurus geniculatus, 89, var. 
aristulatus, 89. 
Alpine Bearberries and the generic 
Status of Arctous, 21. 
Alsine borealis, 150; borealis alpes- 
tris, 151; brachypetala, 151; Sim- 
coei, 145, 150. 
Alsineae, 145. 
Ambrosia trifida, var. integrifolia, 40. 
Amelanchier, 198; laevis, 15. 
Amentiferae, 201. 
America, Some Antennarias of north- 
eastern, 129; Some Willows of 
boreal, 169. 
American Variations of Potentilla 
palustris, 5; Variations of Stellaria 
borealis, 144. 
Ammophila arenaria, 39, 189. 
Amphicarpa monoiea, 15. 
Andromeda Mariana, 158. 
Andropogon furcatus, 16. 
Angelica atropurpurea, 13. 
Antennaria, 129, 134, 196; albicans, 
197; alpina, 131, var. cana, 129, 
131, 196, var. monocephala, 130; 
canadensis, 132, 196, 197, var. 
spathulata, 132, 196; carpatica, 
glabrata, 130; microphylla, 132; 
neglecta, 133, 134, var. subcorym- 
bosa, 133, 134; neodoica, 132, 133, 
var. gaspensis, 132, var. rupicola, 
131-133; petaloidea, 133, 134, var. 
scariosa, 133, 134, var. subcorym- 
bosa, 133; pygmaea, 129, 130; 
rosea, 132; rupicola, 132, 133; 
spathulata, 196, 197; straminea, 
130, 131; subviscosa, 131, 132, 
196, 197. 
Antennarias of northeastern Amer- 
ica, 129; Two Newfoundland, 196. 
Anthriscus Cerefolium, 96. 
Antithamnion floccosum, 4. 
Apios tuberosa, 13, 15. 
Apoeynum  androsaemifolium, 15; 
cannabinum, 12. 
Arabis Holboellii, 132. 
Arbutus, 25-27; alpina, 21, 25, 27; 
Uva-ursi, 27, 28. 
Arctostaphylos, 22, 23, 25-32; al- 
pina, 21-23, 25, 27-30, 32; glauca, 
29, 30; Manzanita, 31; Pringlei, 
31; pungens, 31; rubra, 32; 
tomentosa, 31; Uva-ursi, 25-29, 
31, 211, The North American 
Variations of, 211, var. adeno- 
tricha, 213, var. coactilis, 212. 
Arctous, 22, 23, 28-32; alpina, 30, 
32, var. rubra, 22, 30, 32, 33; The 
alpine Bearberries and the generic 
Status of, 21. 
Arenaria, 147, 180; calycantha, 146, 
147, 150; ciliata, 44, The North 
American Representative of, 43, 
var. humifusa, 43, 44, var. norve- 
gica, 44;  cylindrocarpa, 43; 
lateriflora, 55, 179, 180, Forms of, 
179; macrophylla, 55; norvegica, 
44; peploides, var. robusta, 190. 
Argentina rubra, 10. 
Armillaria ponderosa, 47. 
Artemisia caudata, 39. 
Arundo canadensis, 89. 
Asclepias syriaca, 14; tuberosa, 185; 
verticillata, 185. 
